package com.study.extenddemo;

public class Test {
    public static void main(String[] args) {
        B b = new B();
        System.out.println(b.i);
//        System.out.println(b.j);
//        System.out.println(b.k);
        b.print1();
//        b.print2();
        b.print3();
    }
}
